Skip to main content
WorldIP.io
Autonomous System

AS37671

3S INF

Announced IPs
247,040
CIDR prefixes
32
ASN
AS37671

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
197.15.0.0/16 65.5K
0.0%
3S INF TN Tunis Governorate Tunis
41.225.128.0/17 32.8K
0.0%
3S INF TN Tunis Governorate Tunis
41.227.128.0/17 32.8K
0.0%
3S INF TN Tunis Governorate Tunis
197.25.128.0/17 32.8K
0.0%
3S INF TN Ben Arous Governorate Ben Arous
41.225.64.0/18 16.4K
0.0%
3S INF TN Sousse Governorate Sousse
197.26.64.0/18 16.4K
0.0%
3S INF TN Tunis Governorate Tunis
41.225.32.0/19 8.2K
0.0%
3S INF TN Tunis Governorate Tunis
41.227.32.0/19 8.2K
0.0%
3S INF TN Tunis Governorate Tunis
41.227.96.0/19 8.2K
0.0%
3S INF TN Ariana Governorate Aryanah
197.26.32.0/19 8.2K
0.0%
3S INF TN Tunis Governorate Tunis
41.225.16.0/20 4.1K
0.4%
3S INF TN Monastir Governorate Sahline
41.227.16.0/20 4.1K
0.2%
3S INF TN Tataouine Tataouine
41.225.0.0/21 2.0K
0.9%
3S INF TN Monastir Governorate Sahline
41.225.8.0/22 1.0K
0.0%
3S INF TN Monastir Governorate Sahline
193.95.76.0/22 1.0K
0.4%
3S INF TN — —
41.225.14.0/23 512
0.0%
3S INF TN Monastir Governorate Sahline
193.95.54.0/23 512
0.2%
3S INF TN — —
193.95.80.0/23 512
1.8%
3S INF TN — —
213.150.180.0/23 512
0.8%
3S INF TN — —
41.225.13.0/24 256
0.4%
3S INF TN Monastir Governorate Sahline
41.227.4.0/24 256
0.0%
3S INF TN — —
193.95.3.0/24 256
0.4%
3S INF TN — —
193.95.16.0/24 256
2.7%
3S INF TN — —
193.95.42.0/24 256
0.0%
3S INF TN — —
193.95.44.0/24 256
0.0%
3S INF TN — —
193.95.53.0/24 256
0.0%
3S INF TN — —
193.95.57.0/24 256
6.3%
3S INF TN — —
193.95.59.0/24 256
8.2%
3S INF TN — —
193.95.73.0/24 256
0.0%
3S INF TN — —
193.95.75.0/24 256
9.4%
3S INF TN — —
193.95.82.0/24 256
0.0%
3S INF TN — —
193.95.99.0/24 256
0.0%
3S INF TN — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS37671 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
197.15.96.0/19 90,917 2026-11-03 19:16:00
197.26.32.0/19 90,778 2026-11-03 19:16:00
197.15.64.0/19 90,500 2026-11-03 19:16:00
197.15.192.0/18 90,235 2026-11-03 19:16:00
197.15.128.0/18 90,172 2026-11-03 19:16:00
197.15.0.0/18 90,172 2026-11-03 19:16:00
197.26.64.0/18 88,643 2026-11-03 19:16:00
213.150.180.0/23 72,477 2026-11-03 19:16:39
193.95.78.0/24 62,632 2026-11-03 19:16:39
193.95.99.0/24 62,227 2026-11-03 19:16:39
193.95.44.0/24 62,217 2026-11-03 19:16:39
193.95.79.0/24 62,081 2026-11-03 19:16:39
193.95.75.0/24 61,986 2026-11-03 19:16:39
193.95.73.0/24 61,985 2026-11-03 19:16:39
193.95.76.0/23 61,977 2026-11-03 19:16:39
193.95.80.0/23 61,952 2026-11-03 19:16:39
193.95.42.0/24 61,947 2026-11-03 19:16:51
193.95.59.0/24 61,842 2026-11-03 19:16:51
193.95.3.0/24 61,809 2026-11-03 19:16:39
193.95.82.0/24 61,766 2026-11-03 19:16:39
193.95.54.0/23 61,748 2026-11-03 19:16:39
193.95.53.0/24 61,718 2026-11-03 19:16:39
193.95.16.0/24 61,699 2026-11-03 19:16:39
41.225.0.0/16 61,201 2026-11-03 19:16:39
41.227.144.0/20 56,544 2026-11-03 19:16:39
41.227.96.0/19 56,457 2026-11-03 19:16:39
41.227.128.0/20 56,431 2026-11-03 19:16:39
193.95.57.0/24 54,809 2026-11-03 19:16:39
41.227.184.0/21 54,422 2026-11-03 19:16:53
41.227.176.0/21 54,382 2026-11-03 19:16:51
41.225.128.0/19 54,313 2026-11-03 19:16:39
197.25.128.0/17 53,675 2026-11-03 19:15:02
41.227.4.0/24 51,662 2026-11-03 19:16:51
41.227.224.0/19 51,474 2026-11-03 19:16:39
41.227.160.0/20 51,350 2026-11-03 19:16:39
41.227.32.0/19 51,288 2026-11-03 19:16:39
41.227.192.0/19 47,710 2026-11-03 19:16:39
41.227.16.0/20 47,633 2026-11-03 19:16:39
213.150.175.0/24 940 2026-06-24 17:23:24

Frequently Asked Questions

What is AS37671?

AS37671 is an Autonomous System Number assigned to 3S INF. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS37671 announce?

AS37671 announces 247.0K IPv4 addresses distributed across 32 routed CIDR prefixes. The network is registered in Tunisia.

Who operates AS37671?

AS37671 is operated by 3S INF. The organization is based in Tunisia. You can view all IP ranges and related ASNs on the organization page.

What country is AS37671 registered in?

AS37671 is registered in Tunisia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-03 19:24:06 UTC
Share